Completed
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by Luís
11s
created

ConnectionHelperLoader::chosen()   A

Complexity

Conditions 3
Paths 3

Size

Total Lines 12
Code Lines 6

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 6
CRAP Score 3

Importance

Changes 0
Metric Value
dl 0
loc 12
ccs 6
cts 6
cp 1
rs 9.4285
c 0
b 0
f 0
cc 3
eloc 6
nc 3
nop 0
crap 3
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<?php
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/*
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 *
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 * This software consists of voluntary contributions made by many individuals
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 * and is licensed under the LGPL. For more information, see
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 * <http://www.doctrine-project.org>.
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 */
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namespace Doctrine\DBAL\Migrations\Configuration\Connection\Loader;
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use Doctrine\DBAL\Connection;
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use Doctrine\DBAL\Migrations\Configuration\Connection\ConnectionLoaderInterface;
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use Doctrine\DBAL\Tools\Console\Helper\ConnectionHelper;
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use Symfony\Component\Console\Helper\HelperSet;
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class ConnectionHelperLoader implements ConnectionLoaderInterface
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{
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    /**
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     * @var string
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     */
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    private $helperName;
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    /** @var  HelperSet */
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    private $helperSet;
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    /**
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     * ConnectionHelperLoader constructor.
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     * @param HelperSet $helperSet
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     * @param string $helperName
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     */
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    public function __construct(HelperSet $helperSet = null, $helperName)
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    {
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        $this->helperName = $helperName;
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        if ($helperSet === null) {
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            $helperSet = new HelperSet();
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        }
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        $this->helperSet = $helperSet;
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    }
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    /**
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     * read the input and return a Configuration, returns `false` if the config
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     * is not supported
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     * @return Connection|null
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     */
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    public function chosen()
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    {
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        if ($this->helperSet->has($this->helperName)) {
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            $connectionHelper = $this->helperSet->get($this->helperName);
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            if ($connectionHelper instanceof ConnectionHelper) {
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                return $connectionHelper->getConnection();
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            }
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        }
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        return null;
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    }
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}
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